Year	National currency (Billions)
1980	0.473
1981	0.554
1982	0.624
1983	0.666
1984	0.796
1985	0.951
1986	1.126
1987	1.373
1988	1.565
1989	1.818
1990	2.206
1991	2.691
1992	3.233
1993	3.793
1994	4.429
1995	5.484
1996	6.205
1997	7.679
1998	8.161
1999	8.903
2000	9.433
2001	9.822
2002	10.601
2003	13.467
2004	15.703
2005	14.891
2006	20.163
2007	23.915
2008	29.077
2009	30.020
2010	33.129
2011	40.511
2012	44.345
2013	50.633
2014	56.867
2015	63.147
2016	67.300
2017	73.153
2018	81.586
2019	86.284
2020	57.623
2021	83.098
2022	96.132
2023	103.011
2024	110.937
2025	121.696
2026	130.384
2027	139.375
2028	148.558
2029	158.346
